Which port does IMAP listen on by default?

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Multiple Choice

Which port does IMAP listen on by default?

Explanation:
IMAP uses a standard port assigned for client access to retrieve messages from a server. By default, it listens on port 143. If the connection is secured with TLS/SSL, the commonly used port is 993. The other ports shown correspond to different services: 110 is for POP3, 25 is for SMTP mail transfer, and 587 is for SMTP submission. Knowing these port assignments helps you recognize why 143 is the correct default for IMAP.

IMAP uses a standard port assigned for client access to retrieve messages from a server. By default, it listens on port 143. If the connection is secured with TLS/SSL, the commonly used port is 993. The other ports shown correspond to different services: 110 is for POP3, 25 is for SMTP mail transfer, and 587 is for SMTP submission. Knowing these port assignments helps you recognize why 143 is the correct default for IMAP.

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